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改革开放后，人民生活水平有了很大提高，饮食结构也发生了巨大变化。蔬菜，在人们日常生活中已必不可少，因此，发展蔬菜生产是改善人民生活，提高农民收入的一项有效措施。以往，农民提高蔬菜产量的措施，一是在整地和品种上下功夫，其次就是增施农家肥和化肥。农家肥肥效较?
After the reform and opening up, people’s living standards have greatly improved and the diet has undergone tremendous changes. Vegetables are indispensable in people’s daily life. Therefore, developing vegetable production is an effective measure to improve people’s life and increase their incomes. In the past, peasants to increase vegetable production measures, first, in the preparation of land and species work hard, followed by the increase of manure and fertilizer. Farmer fertilizer more effective?